If you are sick with COVID-19 symptoms, stay home.

Osteomyelitis is an infection of a bone by a germ (bacteria or fungus). In children, infection in the long bones of the arms and legs are most common. Read on to learn more about this condition, including symptoms, diagnosis, and treatment.

There is no vaccine to prevent Zika infection. If you are planning a pregnancy, you'll need to take steps to protect yourself and your partner.

To prevent infection during pregnancy, you need to protect yourself from mosquitoes and use protection during any sexual activity.

If you travel to areas where Zika is currently active, you are at risk for a Zika infection.

If you live in an area with Zika, you can take important steps to protect yourself and your family.

Cholesterol is a waxy substance that travels in your bloodstream. When you have high cholesterol, it builds up in the walls of your blood vessels. This makes the blood vessels narrower and blood flow decrease. Then you could have a heart attack or a stroke.

Varicella vaccine can prevent varicella. Varicella, also called “chickenpox,” causes an itchy rash that usually lasts about a week. It can also cause fever, tiredness, loss of appetite, and headache.

Tdap vaccine can prevent tetanus, diphtheria, and pertussis. Diphtheria and pertussis spread from person to person. Tetanus enters the body through cuts or wounds.

Td vaccine can prevent tetanus and diphtheria. Tetanus enters the body through cuts or wounds. Diphtheria spreads from person to person.